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- W2806604576 abstract "In the last decade, the cellular Potts model has been extensively used to model interacting cell systems at the tissue-level. However, in {bf early} applications of this model, cell movement was taken as a consequence of membrane fluctuations due to cell-cell interactions, or as a response to an external chemotactic gradient. Recent findings have shown that eukaryotic cells can exhibit persistent displacements across scales larger than cell size, even in the absence of external signals. Persistent cell motion has been incorporated to the cellular Potts model by many authors in the context of collective motion, chemotaxis and morphogenesis. In this paper, we use the cellular Potts model in combination with a random field applied over each cell. This field promotes a uniform cell motion in a given direction during a certain time interval, after which the movement direction changes. The dynamics of the direction is coupled to a first order autoregressive process. We investigated statistical properties, such as the mean-squared displacement and spatio-temporal correlations, associated to these self-propelled {it in silico} cells in different conditions. The proposed model emulates many properties observed in different experimental setups. By studying low and high density cultures, we find that cell-cell interactions decrease the effective persistent time." @default.
- W2806604576 created "2018-06-13" @default.
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- W2806604576 date "2018-06-20" @default.
- W2806604576 modified "2023-10-06" @default.
- W2806604576 title "Modeling Active Cell Movement With the Potts Model" @default.
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- W2806604576 doi "https://doi.org/10.3389/fphy.2018.00061" @default.
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